org.openmuc.jmbus.wireless

Class WMBusMessage

java.lang.Object

org.openmuc.jmbus.wireless.WMBusMessage

public class WMBusMessage
extends java.lang.Object

Represents a wireless M-Bus link layer message without the CRC checksum. WMBusMessage is structured as follows:

• Length (1 byte) - the length (number of bytes) of the complete message without the length byte and the CRC bytes.
• Control field (1 byte) - defines the frame type. 0x44 signifies an SND-NR (send no request) message that is sent by meters in S1 mode.
• Secondary address (8 bytes) - the secondary address consists of:
  • Manufacturer ID (2 bytes) -
  • Address (6 bytes) - consists of
    • Device ID (4 bytes) -
    • Version (1 byte) -
    • Device type (1 byte) -

Method Summary

Modifier and Type	Method and Description
byte[]	asBlob() Get the message as binary large object (byte array).
int	getControlField()
java.lang.Integer	getRssi() Returns the received signal string indication (RSSI) in dBm.
SecondaryAddress	getSecondaryAddress() Get the secondary address.
VariableDataStructure	getVariableDataResponse() Get the variable data structure of the message.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

asBlob

public byte[] asBlob()

Get the message as binary large object (byte array).

Returns:

the byte array representation of the message.

getControlField

public int getControlField()

getSecondaryAddress

public SecondaryAddress getSecondaryAddress()

Get the secondary address.

Returns:

the secondary address.

getVariableDataResponse

public VariableDataStructure getVariableDataResponse()

Get the variable data structure of the message.

Returns:

the variable data structure.

getRssi

public java.lang.Integer getRssi()

Returns the received signal string indication (RSSI) in dBm.

Returns:

the RSSI.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object